Pumpkin Cheesecake

Name: Pumpkin Cheesecake
Prep time: 45 min
Cook time: 1 h 20 min
Total time: 2 h 5 min
Cuisine: American
Ingredients: 3 (8-ounce) packages cream cheese; 3/4 cup sour cream; 3/4 cup packed light brown sugar; 2/3 cup granulated sugar; 3 tablespoons cornstarch; 1 (15-ounce) can pumpkin purée (not pumpkin pie filling); 1 tablespoon pumpkin pie spice; 1 tablespoon vanilla extract; 4 large eggs; 2 large egg yolks; 12 whole graham cracker sheets, or 1 1/2 cups graham cracker crumbs; 1/4 cup granulated sugar; 1/2 teaspoon kosher salt; 6 tablespoons unsalted butter